| details |
Carboniferous |
|
Germany |
Remy,W. et al. Paleozoic spores obtained by the maceration of fertile ferns. |
1957 |
| details |
|
|
Germany |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Triassic |
|
Greenland |
Potonie,R. Rules by which the Secondary Folds of spores Form. |
1962 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Westphalian B |
|
Czechoslovakia(Bohemia) |
Brousmiche,C. Precision on the spores produced by some Sphenopterid ferns pertaining to genera Boweria, Kidston, Crossotheca zeiller, Disiopteris stur, Myriotheca zeiller and Urnatopteris kidston. |
1986 |
| details |
Carboniferous |
|
France |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Carboniferous |
|
Germany |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |